LLCs do not have owners, they have members. Members have an Ownership right equal to their share. Public filings will often include a list of members but many LLCs are pretty bad at keeping such things maintained. Searching SOSDirect will give you whatever information is publicly available.
Limited Liability Companies: The secretary of state has information on the initial members of a member-managed LLC. We also maintain records of an entity's registered agent and registered office address.
The secretary of state has information on the initial members of a member-managed LLC. We also maintain records of an entity's registered agent and registered office address. The secretary of state does maintain the name and address of each general partner of a limited partnership (LP).
Some states, such as California, only publish limited information about LLCs online to protect the privacy of LLC owners. For those states, you can only get this information through a formal request.
The states where LLC owners are public record include: Arizona. Arkansas. California.